@charset "utf-8";
/* 头部 */
header{
    width: 100%;
    height: 360px;
    background-color: black;
    padding-top: 200px;
    box-sizing: border-box;
}
header .main{
    width: 600px;
    height: 260px;
    background-color: #fff;
    float: left;
    padding: 50px;
    box-sizing: border-box;
}
header .main h2{
    font-weight: normal;
    font-size: 22px;
    margin: 20px 0;
    font-family: 楷体;
}
header .main p{
    color: #666;
    text-overflow: ellipsis;
    overflow: hidden;
    display: -webkit-box;          
    -webkit-line-clamp: 3;         
    -webkit-box-orient: vertical; 
    font-family: 楷体;
}
header .img img{
    width: 600px;
}
/* 公司介绍 */
.firm{
    margin-top: 200px;
}
.firm p{
    margin: 20px 0;
    font-family: 楷体;
}
.firm span{
    float: right;
    font-size: 12px;
    position: relative;
    font-family: 楷体;
}
.firm span::before{
    content: "";
    width: 12px;
    height: 4px;
    background-color: #1271ef;
    position: absolute;
    top: 5px;
    left: -20px;
}
.yield{
    margin: 40px auto;
}
.yield h2{
    font-weight: normal;
    font-size: 28px;
    margin-bottom: 20px;
    font-family: 楷体;
}
.yield p{
    font-family: 楷体;
}
.business img{
    width: 1200px;
    margin:50px auto 100px;
}